Home / 48,444.20-72,666.30-31,855.40

Finding the Fourth Proportional to 48,444.20, 72,666.30 and 31,855.40

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Solution

The fourth proportional to 48,444.20, 72,666.30 and 31,855.40 is: 47,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,444.20 : 72,666.30 = 31,855.40 : x
  2. Step 2: Convert to fraction form
    48,444.20/72,666.30 = 31,855.40/x
  3. Step 3: Cross multiply
    48,444.20x = 72,666.30 × 31,855.40
  4. Step 4: Simplify right side
    48,444.20x = 2,314,814,053.02
  5. Step 5: Solve for x
    x = 2,314,814,053.02/48,444.20
  6. Step 6: Final answer
    x = 47,783.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.