Home / 39,045.18-58,431.69-31,943.10

Finding the Fourth Proportional to 39,045.18, 58,431.69 and 31,943.10

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Solution

The fourth proportional to 39,045.18, 58,431.69 and 31,943.10 is: 47,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.18 : 58,431.69 = 31,943.10 : x
  2. Step 2: Convert to fraction form
    39,045.18/58,431.69 = 31,943.10/x
  3. Step 3: Cross multiply
    39,045.18x = 58,431.69 × 31,943.10
  4. Step 4: Simplify right side
    39,045.18x = 1,866,489,316.84
  5. Step 5: Solve for x
    x = 1,866,489,316.84/39,045.18
  6. Step 6: Final answer
    x = 47,803.32

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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.