Home / 39,541.06-54,565.95-21,635.74

Finding the Fourth Proportional to 39,541.06, 54,565.95 and 21,635.74

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Solution

The fourth proportional to 39,541.06, 54,565.95 and 21,635.74 is: 29,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.06 : 54,565.95 = 21,635.74 : x
  2. Step 2: Convert to fraction form
    39,541.06/54,565.95 = 21,635.74/x
  3. Step 3: Cross multiply
    39,541.06x = 54,565.95 × 21,635.74
  4. Step 4: Simplify right side
    39,541.06x = 1,180,574,707.05
  5. Step 5: Solve for x
    x = 1,180,574,707.05/39,541.06
  6. Step 6: Final answer
    x = 29,856.93

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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.