Home / 60,389.34-90,584.19-20,946.45

Finding the Fourth Proportional to 60,389.34, 90,584.19 and 20,946.45

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Solution

The fourth proportional to 60,389.34, 90,584.19 and 20,946.45 is: 31,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,389.34 : 90,584.19 = 20,946.45 : x
  2. Step 2: Convert to fraction form
    60,389.34/90,584.19 = 20,946.45/x
  3. Step 3: Cross multiply
    60,389.34x = 90,584.19 × 20,946.45
  4. Step 4: Simplify right side
    60,389.34x = 1,897,417,206.63
  5. Step 5: Solve for x
    x = 1,897,417,206.63/60,389.34
  6. Step 6: Final answer
    x = 31,419.74

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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.