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Finding the Fourth Proportional to 60,021.59, 90,056.61 and 26,718.90

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Solution

The fourth proportional to 60,021.59, 90,056.61 and 26,718.90 is: 40,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021.59 : 90,056.61 = 26,718.90 : x
  2. Step 2: Convert to fraction form
    60,021.59/90,056.61 = 26,718.90/x
  3. Step 3: Cross multiply
    60,021.59x = 90,056.61 × 26,718.90
  4. Step 4: Simplify right side
    60,021.59x = 2,406,213,556.93
  5. Step 5: Solve for x
    x = 2,406,213,556.93/60,021.59
  6. Step 6: Final answer
    x = 40,089.14

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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.