Home / 42,823.32-64,191.12-14,734.92

Finding the Fourth Proportional to 42,823.32, 64,191.12 and 14,734.92

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Solution

The fourth proportional to 42,823.32, 64,191.12 and 14,734.92 is: 22,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.32 : 64,191.12 = 14,734.92 : x
  2. Step 2: Convert to fraction form
    42,823.32/64,191.12 = 14,734.92/x
  3. Step 3: Cross multiply
    42,823.32x = 64,191.12 × 14,734.92
  4. Step 4: Simplify right side
    42,823.32x = 945,851,017.91
  5. Step 5: Solve for x
    x = 945,851,017.91/42,823.32
  6. Step 6: Final answer
    x = 22,087.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.