Home / 38,565.28-53,225.01-21,570.46

Finding the Fourth Proportional to 38,565.28, 53,225.01 and 21,570.46

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Solution

The fourth proportional to 38,565.28, 53,225.01 and 21,570.46 is: 29,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.28 : 53,225.01 = 21,570.46 : x
  2. Step 2: Convert to fraction form
    38,565.28/53,225.01 = 21,570.46/x
  3. Step 3: Cross multiply
    38,565.28x = 53,225.01 × 21,570.46
  4. Step 4: Simplify right side
    38,565.28x = 1,148,088,220.71
  5. Step 5: Solve for x
    x = 1,148,088,220.71/38,565.28
  6. Step 6: Final answer
    x = 29,770.00

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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.