Home / 48,909.56-67,496.80-27,688.40

Finding the Fourth Proportional to 48,909.56, 67,496.80 and 27,688.40

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Solution

The fourth proportional to 48,909.56, 67,496.80 and 27,688.40 is: 38,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.56 : 67,496.80 = 27,688.40 : x
  2. Step 2: Convert to fraction form
    48,909.56/67,496.80 = 27,688.40/x
  3. Step 3: Cross multiply
    48,909.56x = 67,496.80 × 27,688.40
  4. Step 4: Simplify right side
    48,909.56x = 1,868,878,397.12
  5. Step 5: Solve for x
    x = 1,868,878,397.12/48,909.56
  6. Step 6: Final answer
    x = 38,210.90

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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.