Home / 52,416.48-72,334.56-28,543.20

Finding the Fourth Proportional to 52,416.48, 72,334.56 and 28,543.20

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Solution

The fourth proportional to 52,416.48, 72,334.56 and 28,543.20 is: 39,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416.48 : 72,334.56 = 28,543.20 : x
  2. Step 2: Convert to fraction form
    52,416.48/72,334.56 = 28,543.20/x
  3. Step 3: Cross multiply
    52,416.48x = 72,334.56 × 28,543.20
  4. Step 4: Simplify right side
    52,416.48x = 2,064,659,812.99
  5. Step 5: Solve for x
    x = 2,064,659,812.99/52,416.48
  6. Step 6: Final answer
    x = 39,389.52

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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.