Home / 39,182.04-58,721.70-18,119.40

Finding the Fourth Proportional to 39,182.04, 58,721.70 and 18,119.40

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Solution

The fourth proportional to 39,182.04, 58,721.70 and 18,119.40 is: 27,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.04 : 58,721.70 = 18,119.40 : x
  2. Step 2: Convert to fraction form
    39,182.04/58,721.70 = 18,119.40/x
  3. Step 3: Cross multiply
    39,182.04x = 58,721.70 × 18,119.40
  4. Step 4: Simplify right side
    39,182.04x = 1,064,001,970.98
  5. Step 5: Solve for x
    x = 1,064,001,970.98/39,182.04
  6. Step 6: Final answer
    x = 27,155.35

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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.