Home / 42,807.44-58,940.10-38,870.84

Finding the Fourth Proportional to 42,807.44, 58,940.10 and 38,870.84

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Solution

The fourth proportional to 42,807.44, 58,940.10 and 38,870.84 is: 53,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.44 : 58,940.10 = 38,870.84 : x
  2. Step 2: Convert to fraction form
    42,807.44/58,940.10 = 38,870.84/x
  3. Step 3: Cross multiply
    42,807.44x = 58,940.10 × 38,870.84
  4. Step 4: Simplify right side
    42,807.44x = 2,291,050,901.98
  5. Step 5: Solve for x
    x = 2,291,050,901.98/42,807.44
  6. Step 6: Final answer
    x = 53,519.93

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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.