Home / 60,265.42-90,402.72-20,284.57

Finding the Fourth Proportional to 60,265.42, 90,402.72 and 20,284.57

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Solution

The fourth proportional to 60,265.42, 90,402.72 and 20,284.57 is: 30,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,265.42 : 90,402.72 = 20,284.57 : x
  2. Step 2: Convert to fraction form
    60,265.42/90,402.72 = 20,284.57/x
  3. Step 3: Cross multiply
    60,265.42x = 90,402.72 × 20,284.57
  4. Step 4: Simplify right side
    60,265.42x = 1,833,780,302.03
  5. Step 5: Solve for x
    x = 1,833,780,302.03/60,265.42
  6. Step 6: Final answer
    x = 30,428.40

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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.