Home / 38,423,453.36-53,024,783.76-21,019,424.72

Finding the Fourth Proportional to 38,423,453.36, 53,024,783.76 and 21,019,424.72

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Solution

The fourth proportional to 38,423,453.36, 53,024,783.76 and 21,019,424.72 is: 29,007,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,453.36 : 53,024,783.76 = 21,019,424.72 : x
  2. Step 2: Convert to fraction form
    38,423,453.36/53,024,783.76 = 21,019,424.72/x
  3. Step 3: Cross multiply
    38,423,453.36x = 53,024,783.76 × 21,019,424.72
  4. Step 4: Simplify right side
    38,423,453.36x = 1,114,550,450,537,598.50
  5. Step 5: Solve for x
    x = 1,114,550,450,537,598.50/38,423,453.36
  6. Step 6: Final answer
    x = 29,007,034.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.