Home / 60,206.76-90,316.10-20,758.68

Finding the Fourth Proportional to 60,206.76, 90,316.10 and 20,758.68

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Solution

The fourth proportional to 60,206.76, 90,316.10 and 20,758.68 is: 31,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,206.76 : 90,316.10 = 20,758.68 : x
  2. Step 2: Convert to fraction form
    60,206.76/90,316.10 = 20,758.68/x
  3. Step 3: Cross multiply
    60,206.76x = 90,316.10 × 20,758.68
  4. Step 4: Simplify right side
    60,206.76x = 1,874,843,018.75
  5. Step 5: Solve for x
    x = 1,874,843,018.75/60,206.76
  6. Step 6: Final answer
    x = 31,140.07

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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.