Home / 96,980.24-145,470.24-30,426.20

Finding the Fourth Proportional to 96,980.24, 145,470.24 and 30,426.20

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Solution

The fourth proportional to 96,980.24, 145,470.24 and 30,426.20 is: 45,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980.24 : 145,470.24 = 30,426.20 : x
  2. Step 2: Convert to fraction form
    96,980.24/145,470.24 = 30,426.20/x
  3. Step 3: Cross multiply
    96,980.24x = 145,470.24 × 30,426.20
  4. Step 4: Simplify right side
    96,980.24x = 4,426,106,616.29
  5. Step 5: Solve for x
    x = 4,426,106,616.29/96,980.24
  6. Step 6: Final answer
    x = 45,639.26

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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.