Home / 40,275.88-60,430.91-21,551.06

Finding the Fourth Proportional to 40,275.88, 60,430.91 and 21,551.06

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Solution

The fourth proportional to 40,275.88, 60,430.91 and 21,551.06 is: 32,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.88 : 60,430.91 = 21,551.06 : x
  2. Step 2: Convert to fraction form
    40,275.88/60,430.91 = 21,551.06/x
  3. Step 3: Cross multiply
    40,275.88x = 60,430.91 × 21,551.06
  4. Step 4: Simplify right side
    40,275.88x = 1,302,350,331.81
  5. Step 5: Solve for x
    x = 1,302,350,331.81/40,275.88
  6. Step 6: Final answer
    x = 32,335.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.