Home / 40,298.08-60,428.40-13,995.04

Finding the Fourth Proportional to 40,298.08, 60,428.40 and 13,995.04

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Solution

The fourth proportional to 40,298.08, 60,428.40 and 13,995.04 is: 20,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.08 : 60,428.40 = 13,995.04 : x
  2. Step 2: Convert to fraction form
    40,298.08/60,428.40 = 13,995.04/x
  3. Step 3: Cross multiply
    40,298.08x = 60,428.40 × 13,995.04
  4. Step 4: Simplify right side
    40,298.08x = 845,697,875.14
  5. Step 5: Solve for x
    x = 845,697,875.14/40,298.08
  6. Step 6: Final answer
    x = 20,986.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.