Home / 57,278.12-78,864.18-52,029.32

Finding the Fourth Proportional to 57,278.12, 78,864.18 and 52,029.32

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Solution

The fourth proportional to 57,278.12, 78,864.18 and 52,029.32 is: 71,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,278.12 : 78,864.18 = 52,029.32 : x
  2. Step 2: Convert to fraction form
    57,278.12/78,864.18 = 52,029.32/x
  3. Step 3: Cross multiply
    57,278.12x = 78,864.18 × 52,029.32
  4. Step 4: Simplify right side
    57,278.12x = 4,103,249,657.76
  5. Step 5: Solve for x
    x = 4,103,249,657.76/57,278.12
  6. Step 6: Final answer
    x = 71,637.30

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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.