Home / 57,154.32-78,875.75-34,492.90

Finding the Fourth Proportional to 57,154.32, 78,875.75 and 34,492.90

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Solution

The fourth proportional to 57,154.32, 78,875.75 and 34,492.90 is: 47,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154.32 : 78,875.75 = 34,492.90 : x
  2. Step 2: Convert to fraction form
    57,154.32/78,875.75 = 34,492.90/x
  3. Step 3: Cross multiply
    57,154.32x = 78,875.75 × 34,492.90
  4. Step 4: Simplify right side
    57,154.32x = 2,720,653,408.02
  5. Step 5: Solve for x
    x = 2,720,653,408.02/57,154.32
  6. Step 6: Final answer
    x = 47,601.88

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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.