Home / 48,271.80-72,407.70-42,127.80

Finding the Fourth Proportional to 48,271.80, 72,407.70 and 42,127.80

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Solution

The fourth proportional to 48,271.80, 72,407.70 and 42,127.80 is: 63,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.80 : 72,407.70 = 42,127.80 : x
  2. Step 2: Convert to fraction form
    48,271.80/72,407.70 = 42,127.80/x
  3. Step 3: Cross multiply
    48,271.80x = 72,407.70 × 42,127.80
  4. Step 4: Simplify right side
    48,271.80x = 3,050,377,104.06
  5. Step 5: Solve for x
    x = 3,050,377,104.06/48,271.80
  6. Step 6: Final answer
    x = 63,191.70

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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.