Home / 38,303.15-52,857.56-21,307.02

Finding the Fourth Proportional to 38,303.15, 52,857.56 and 21,307.02

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Solution

The fourth proportional to 38,303.15, 52,857.56 and 21,307.02 is: 29,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.15 : 52,857.56 = 21,307.02 : x
  2. Step 2: Convert to fraction form
    38,303.15/52,857.56 = 21,307.02/x
  3. Step 3: Cross multiply
    38,303.15x = 52,857.56 × 21,307.02
  4. Step 4: Simplify right side
    38,303.15x = 1,126,236,981.54
  5. Step 5: Solve for x
    x = 1,126,236,981.54/38,303.15
  6. Step 6: Final answer
    x = 29,403.25

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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.