Home / 38,322.59-52,885.13-21,555.59

Finding the Fourth Proportional to 38,322.59, 52,885.13 and 21,555.59

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Solution

The fourth proportional to 38,322.59, 52,885.13 and 21,555.59 is: 29,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.59 : 52,885.13 = 21,555.59 : x
  2. Step 2: Convert to fraction form
    38,322.59/52,885.13 = 21,555.59/x
  3. Step 3: Cross multiply
    38,322.59x = 52,885.13 × 21,555.59
  4. Step 4: Simplify right side
    38,322.59x = 1,139,969,807.17
  5. Step 5: Solve for x
    x = 1,139,969,807.17/38,322.59
  6. Step 6: Final answer
    x = 29,746.68

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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.