Home / 30,347.10-45,520.65-16,301.70

Finding the Fourth Proportional to 30,347.10, 45,520.65 and 16,301.70

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Solution

The fourth proportional to 30,347.10, 45,520.65 and 16,301.70 is: 24,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.10 : 45,520.65 = 16,301.70 : x
  2. Step 2: Convert to fraction form
    30,347.10/45,520.65 = 16,301.70/x
  3. Step 3: Cross multiply
    30,347.10x = 45,520.65 × 16,301.70
  4. Step 4: Simplify right side
    30,347.10x = 742,063,980.11
  5. Step 5: Solve for x
    x = 742,063,980.11/30,347.10
  6. Step 6: Final answer
    x = 24,452.55

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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.