Home / 30,284.90-45,432.54-10,292.28

Finding the Fourth Proportional to 30,284.90, 45,432.54 and 10,292.28

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Solution

The fourth proportional to 30,284.90, 45,432.54 and 10,292.28 is: 15,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.90 : 45,432.54 = 10,292.28 : x
  2. Step 2: Convert to fraction form
    30,284.90/45,432.54 = 10,292.28/x
  3. Step 3: Cross multiply
    30,284.90x = 45,432.54 × 10,292.28
  4. Step 4: Simplify right side
    30,284.90x = 467,604,422.79
  5. Step 5: Solve for x
    x = 467,604,422.79/30,284.90
  6. Step 6: Final answer
    x = 15,440.18

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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.