Home / 30,287.16-45,439.74-13,652.28

Finding the Fourth Proportional to 30,287.16, 45,439.74 and 13,652.28

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Solution

The fourth proportional to 30,287.16, 45,439.74 and 13,652.28 is: 20,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.16 : 45,439.74 = 13,652.28 : x
  2. Step 2: Convert to fraction form
    30,287.16/45,439.74 = 13,652.28/x
  3. Step 3: Cross multiply
    30,287.16x = 45,439.74 × 13,652.28
  4. Step 4: Simplify right side
    30,287.16x = 620,356,053.61
  5. Step 5: Solve for x
    x = 620,356,053.61/30,287.16
  6. Step 6: Final answer
    x = 20,482.48

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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.