Home / 61,312.24-84,649.62-40,127.32

Finding the Fourth Proportional to 61,312.24, 84,649.62 and 40,127.32

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Solution

The fourth proportional to 61,312.24, 84,649.62 and 40,127.32 is: 55,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312.24 : 84,649.62 = 40,127.32 : x
  2. Step 2: Convert to fraction form
    61,312.24/84,649.62 = 40,127.32/x
  3. Step 3: Cross multiply
    61,312.24x = 84,649.62 × 40,127.32
  4. Step 4: Simplify right side
    61,312.24x = 3,396,762,389.62
  5. Step 5: Solve for x
    x = 3,396,762,389.62/61,312.24
  6. Step 6: Final answer
    x = 55,401.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.