Home / 38,030.08-52,480.64-21,264.64

Finding the Fourth Proportional to 38,030.08, 52,480.64 and 21,264.64

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Solution

The fourth proportional to 38,030.08, 52,480.64 and 21,264.64 is: 29,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.08 : 52,480.64 = 21,264.64 : x
  2. Step 2: Convert to fraction form
    38,030.08/52,480.64 = 21,264.64/x
  3. Step 3: Cross multiply
    38,030.08x = 52,480.64 × 21,264.64
  4. Step 4: Simplify right side
    38,030.08x = 1,115,981,916.57
  5. Step 5: Solve for x
    x = 1,115,981,916.57/38,030.08
  6. Step 6: Final answer
    x = 29,344.72

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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.