Home / 60,127.36-90,145.50-36,430

Finding the Fourth Proportional to 60,127.36, 90,145.50 and 36,430

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Solution

The fourth proportional to 60,127.36, 90,145.50 and 36,430 is: 54,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127.36 : 90,145.50 = 36,430 : x
  2. Step 2: Convert to fraction form
    60,127.36/90,145.50 = 36,430/x
  3. Step 3: Cross multiply
    60,127.36x = 90,145.50 × 36,430
  4. Step 4: Simplify right side
    60,127.36x = 3,284,000,565
  5. Step 5: Solve for x
    x = 3,284,000,565/60,127.36
  6. Step 6: Final answer
    x = 54,617.41

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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.