Home / 40,901.50-56,443.98-23,000.50

Finding the Fourth Proportional to 40,901.50, 56,443.98 and 23,000.50

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Solution

The fourth proportional to 40,901.50, 56,443.98 and 23,000.50 is: 31,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.50 : 56,443.98 = 23,000.50 : x
  2. Step 2: Convert to fraction form
    40,901.50/56,443.98 = 23,000.50/x
  3. Step 3: Cross multiply
    40,901.50x = 56,443.98 × 23,000.50
  4. Step 4: Simplify right side
    40,901.50x = 1,298,239,761.99
  5. Step 5: Solve for x
    x = 1,298,239,761.99/40,901.50
  6. Step 6: Final answer
    x = 31,740.64

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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.