Home / 63,138.19-87,127.95-34,457.12

Finding the Fourth Proportional to 63,138.19, 87,127.95 and 34,457.12

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Solution

The fourth proportional to 63,138.19, 87,127.95 and 34,457.12 is: 47,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.19 : 87,127.95 = 34,457.12 : x
  2. Step 2: Convert to fraction form
    63,138.19/87,127.95 = 34,457.12/x
  3. Step 3: Cross multiply
    63,138.19x = 87,127.95 × 34,457.12
  4. Step 4: Simplify right side
    63,138.19x = 3,002,178,228.50
  5. Step 5: Solve for x
    x = 3,002,178,228.50/63,138.19
  6. Step 6: Final answer
    x = 47,549.32

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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.