Home / 40,342.80-55,670.40-22,437.36

Finding the Fourth Proportional to 40,342.80, 55,670.40 and 22,437.36

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Solution

The fourth proportional to 40,342.80, 55,670.40 and 22,437.36 is: 30,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.80 : 55,670.40 = 22,437.36 : x
  2. Step 2: Convert to fraction form
    40,342.80/55,670.40 = 22,437.36/x
  3. Step 3: Cross multiply
    40,342.80x = 55,670.40 × 22,437.36
  4. Step 4: Simplify right side
    40,342.80x = 1,249,096,806.14
  5. Step 5: Solve for x
    x = 1,249,096,806.14/40,342.80
  6. Step 6: Final answer
    x = 30,962.08

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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.