Home / 63,290.46-87,328.18-34,990.68

Finding the Fourth Proportional to 63,290.46, 87,328.18 and 34,990.68

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Solution

The fourth proportional to 63,290.46, 87,328.18 and 34,990.68 is: 48,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290.46 : 87,328.18 = 34,990.68 : x
  2. Step 2: Convert to fraction form
    63,290.46/87,328.18 = 34,990.68/x
  3. Step 3: Cross multiply
    63,290.46x = 87,328.18 × 34,990.68
  4. Step 4: Simplify right side
    63,290.46x = 3,055,672,401.36
  5. Step 5: Solve for x
    x = 3,055,672,401.36/63,290.46
  6. Step 6: Final answer
    x = 48,280.14

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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.