Home / 40,322.04-55,638.30-22,417.20

Finding the Fourth Proportional to 40,322.04, 55,638.30 and 22,417.20

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Solution

The fourth proportional to 40,322.04, 55,638.30 and 22,417.20 is: 30,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.04 : 55,638.30 = 22,417.20 : x
  2. Step 2: Convert to fraction form
    40,322.04/55,638.30 = 22,417.20/x
  3. Step 3: Cross multiply
    40,322.04x = 55,638.30 × 22,417.20
  4. Step 4: Simplify right side
    40,322.04x = 1,247,254,898.76
  5. Step 5: Solve for x
    x = 1,247,254,898.76/40,322.04
  6. Step 6: Final answer
    x = 30,932.34

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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.