Home / 39,750.67-59,642.32-21,025.70

Finding the Fourth Proportional to 39,750.67, 59,642.32 and 21,025.70

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Solution

The fourth proportional to 39,750.67, 59,642.32 and 21,025.70 is: 31,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.67 : 59,642.32 = 21,025.70 : x
  2. Step 2: Convert to fraction form
    39,750.67/59,642.32 = 21,025.70/x
  3. Step 3: Cross multiply
    39,750.67x = 59,642.32 × 21,025.70
  4. Step 4: Simplify right side
    39,750.67x = 1,254,021,527.62
  5. Step 5: Solve for x
    x = 1,254,021,527.62/39,750.67
  6. Step 6: Final answer
    x = 31,547.18

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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.