Home / 63,390.16-87,478.08-35,095.76

Finding the Fourth Proportional to 63,390.16, 87,478.08 and 35,095.76

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Solution

The fourth proportional to 63,390.16, 87,478.08 and 35,095.76 is: 48,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.16 : 87,478.08 = 35,095.76 : x
  2. Step 2: Convert to fraction form
    63,390.16/87,478.08 = 35,095.76/x
  3. Step 3: Cross multiply
    63,390.16x = 87,478.08 × 35,095.76
  4. Step 4: Simplify right side
    63,390.16x = 3,070,109,700.94
  5. Step 5: Solve for x
    x = 3,070,109,700.94/63,390.16
  6. Step 6: Final answer
    x = 48,431.96

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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.