Home / 52,416.79-72,335.19-28,543.45

Finding the Fourth Proportional to 52,416.79, 72,335.19 and 28,543.45

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Solution

The fourth proportional to 52,416.79, 72,335.19 and 28,543.45 is: 39,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416.79 : 72,335.19 = 28,543.45 : x
  2. Step 2: Convert to fraction form
    52,416.79/72,335.19 = 28,543.45/x
  3. Step 3: Cross multiply
    52,416.79x = 72,335.19 × 28,543.45
  4. Step 4: Simplify right side
    52,416.79x = 2,064,695,879.01
  5. Step 5: Solve for x
    x = 2,064,695,879.01/52,416.79
  6. Step 6: Final answer
    x = 39,389.97

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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.