Home / 40,157.49-55,412.85-22,248.06

Finding the Fourth Proportional to 40,157.49, 55,412.85 and 22,248.06

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Solution

The fourth proportional to 40,157.49, 55,412.85 and 22,248.06 is: 30,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.49 : 55,412.85 = 22,248.06 : x
  2. Step 2: Convert to fraction form
    40,157.49/55,412.85 = 22,248.06/x
  3. Step 3: Cross multiply
    40,157.49x = 55,412.85 × 22,248.06
  4. Step 4: Simplify right side
    40,157.49x = 1,232,828,411.57
  5. Step 5: Solve for x
    x = 1,232,828,411.57/40,157.49
  6. Step 6: Final answer
    x = 30,699.84

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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.