Home / 60,279.81-90,434.69-18,158.93

Finding the Fourth Proportional to 60,279.81, 90,434.69 and 18,158.93

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Solution

The fourth proportional to 60,279.81, 90,434.69 and 18,158.93 is: 27,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279.81 : 90,434.69 = 18,158.93 : x
  2. Step 2: Convert to fraction form
    60,279.81/90,434.69 = 18,158.93/x
  3. Step 3: Cross multiply
    60,279.81x = 90,434.69 × 18,158.93
  4. Step 4: Simplify right side
    60,279.81x = 1,642,197,205.28
  5. Step 5: Solve for x
    x = 1,642,197,205.28/60,279.81
  6. Step 6: Final answer
    x = 27,242.91

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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.