Home / 52,417.71-72,334.53-28,543.86

Finding the Fourth Proportional to 52,417.71, 72,334.53 and 28,543.86

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Solution

The fourth proportional to 52,417.71, 72,334.53 and 28,543.86 is: 39,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,417.71 : 72,334.53 = 28,543.86 : x
  2. Step 2: Convert to fraction form
    52,417.71/72,334.53 = 28,543.86/x
  3. Step 3: Cross multiply
    52,417.71x = 72,334.53 × 28,543.86
  4. Step 4: Simplify right side
    52,417.71x = 2,064,706,697.49
  5. Step 5: Solve for x
    x = 2,064,706,697.49/52,417.71
  6. Step 6: Final answer
    x = 39,389.49

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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.