Home / 30,387.84-45,587.52-9,612.48

Finding the Fourth Proportional to 30,387.84, 45,587.52 and 9,612.48

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Solution

The fourth proportional to 30,387.84, 45,587.52 and 9,612.48 is: 14,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.84 : 45,587.52 = 9,612.48 : x
  2. Step 2: Convert to fraction form
    30,387.84/45,587.52 = 9,612.48/x
  3. Step 3: Cross multiply
    30,387.84x = 45,587.52 × 9,612.48
  4. Step 4: Simplify right side
    30,387.84x = 438,209,124.25
  5. Step 5: Solve for x
    x = 438,209,124.25/30,387.84
  6. Step 6: Final answer
    x = 14,420.54

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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.