Home / 40,320.08-55,643.14-22,172.18

Finding the Fourth Proportional to 40,320.08, 55,643.14 and 22,172.18

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Solution

The fourth proportional to 40,320.08, 55,643.14 and 22,172.18 is: 30,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.08 : 55,643.14 = 22,172.18 : x
  2. Step 2: Convert to fraction form
    40,320.08/55,643.14 = 22,172.18/x
  3. Step 3: Cross multiply
    40,320.08x = 55,643.14 × 22,172.18
  4. Step 4: Simplify right side
    40,320.08x = 1,233,729,465.34
  5. Step 5: Solve for x
    x = 1,233,729,465.34/40,320.08
  6. Step 6: Final answer
    x = 30,598.39

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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.