Home / 38,404.08-52,995.42-21,407.76

Finding the Fourth Proportional to 38,404.08, 52,995.42 and 21,407.76

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Solution

The fourth proportional to 38,404.08, 52,995.42 and 21,407.76 is: 29,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.08 : 52,995.42 = 21,407.76 : x
  2. Step 2: Convert to fraction form
    38,404.08/52,995.42 = 21,407.76/x
  3. Step 3: Cross multiply
    38,404.08x = 52,995.42 × 21,407.76
  4. Step 4: Simplify right side
    38,404.08x = 1,134,513,232.46
  5. Step 5: Solve for x
    x = 1,134,513,232.46/38,404.08
  6. Step 6: Final answer
    x = 29,541.48

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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.