Home / 39,957.24-55,140.24-22,051.20

Finding the Fourth Proportional to 39,957.24, 55,140.24 and 22,051.20

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Solution

The fourth proportional to 39,957.24, 55,140.24 and 22,051.20 is: 30,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.24 : 55,140.24 = 22,051.20 : x
  2. Step 2: Convert to fraction form
    39,957.24/55,140.24 = 22,051.20/x
  3. Step 3: Cross multiply
    39,957.24x = 55,140.24 × 22,051.20
  4. Step 4: Simplify right side
    39,957.24x = 1,215,908,460.29
  5. Step 5: Solve for x
    x = 1,215,908,460.29/39,957.24
  6. Step 6: Final answer
    x = 30,430.24

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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.