Home / 52,421.95-72,343.16-28,549.09

Finding the Fourth Proportional to 52,421.95, 72,343.16 and 28,549.09

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Solution

The fourth proportional to 52,421.95, 72,343.16 and 28,549.09 is: 39,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.95 : 72,343.16 = 28,549.09 : x
  2. Step 2: Convert to fraction form
    52,421.95/72,343.16 = 28,549.09/x
  3. Step 3: Cross multiply
    52,421.95x = 72,343.16 × 28,549.09
  4. Step 4: Simplify right side
    52,421.95x = 2,065,331,385.72
  5. Step 5: Solve for x
    x = 2,065,331,385.72/52,421.95
  6. Step 6: Final answer
    x = 39,398.22

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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.