Home / 30,251.29-45,386.16-15,470.59

Finding the Fourth Proportional to 30,251.29, 45,386.16 and 15,470.59

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Solution

The fourth proportional to 30,251.29, 45,386.16 and 15,470.59 is: 23,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.29 : 45,386.16 = 15,470.59 : x
  2. Step 2: Convert to fraction form
    30,251.29/45,386.16 = 15,470.59/x
  3. Step 3: Cross multiply
    30,251.29x = 45,386.16 × 15,470.59
  4. Step 4: Simplify right side
    30,251.29x = 702,150,368.75
  5. Step 5: Solve for x
    x = 702,150,368.75/30,251.29
  6. Step 6: Final answer
    x = 23,210.60

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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.