Home / 48,677.10-72,663.54-42,772.20

Finding the Fourth Proportional to 48,677.10, 72,663.54 and 42,772.20

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Solution

The fourth proportional to 48,677.10, 72,663.54 and 42,772.20 is: 63,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,677.10 : 72,663.54 = 42,772.20 : x
  2. Step 2: Convert to fraction form
    48,677.10/72,663.54 = 42,772.20/x
  3. Step 3: Cross multiply
    48,677.10x = 72,663.54 × 42,772.20
  4. Step 4: Simplify right side
    48,677.10x = 3,107,979,465.59
  5. Step 5: Solve for x
    x = 3,107,979,465.59/48,677.10
  6. Step 6: Final answer
    x = 63,848.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.