Home / 39,180.03-58,718.71-18,117.40

Finding the Fourth Proportional to 39,180.03, 58,718.71 and 18,117.40

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Solution

The fourth proportional to 39,180.03, 58,718.71 and 18,117.40 is: 27,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.03 : 58,718.71 = 18,117.40 : x
  2. Step 2: Convert to fraction form
    39,180.03/58,718.71 = 18,117.40/x
  3. Step 3: Cross multiply
    39,180.03x = 58,718.71 × 18,117.40
  4. Step 4: Simplify right side
    39,180.03x = 1,063,830,356.55
  5. Step 5: Solve for x
    x = 1,063,830,356.55/39,180.03
  6. Step 6: Final answer
    x = 27,152.36

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1.5x scale

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.