Home / 42,943.04-64,437.08-31,193.88

Finding the Fourth Proportional to 42,943.04, 64,437.08 and 31,193.88

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Solution

The fourth proportional to 42,943.04, 64,437.08 and 31,193.88 is: 46,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.04 : 64,437.08 = 31,193.88 : x
  2. Step 2: Convert to fraction form
    42,943.04/64,437.08 = 31,193.88/x
  3. Step 3: Cross multiply
    42,943.04x = 64,437.08 × 31,193.88
  4. Step 4: Simplify right side
    42,943.04x = 2,010,042,541.07
  5. Step 5: Solve for x
    x = 2,010,042,541.07/42,943.04
  6. Step 6: Final answer
    x = 46,807.18

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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.