Home / 53,948.16-74,421.72-36,048.78

Finding the Fourth Proportional to 53,948.16, 74,421.72 and 36,048.78

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Solution

The fourth proportional to 53,948.16, 74,421.72 and 36,048.78 is: 49,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.16 : 74,421.72 = 36,048.78 : x
  2. Step 2: Convert to fraction form
    53,948.16/74,421.72 = 36,048.78/x
  3. Step 3: Cross multiply
    53,948.16x = 74,421.72 × 36,048.78
  4. Step 4: Simplify right side
    53,948.16x = 2,682,812,211.50
  5. Step 5: Solve for x
    x = 2,682,812,211.50/53,948.16
  6. Step 6: Final answer
    x = 49,729.45

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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.