Home / 30,154.10-45,237.63-12,614.90

Finding the Fourth Proportional to 30,154.10, 45,237.63 and 12,614.90

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Solution

The fourth proportional to 30,154.10, 45,237.63 and 12,614.90 is: 18,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.10 : 45,237.63 = 12,614.90 : x
  2. Step 2: Convert to fraction form
    30,154.10/45,237.63 = 12,614.90/x
  3. Step 3: Cross multiply
    30,154.10x = 45,237.63 × 12,614.90
  4. Step 4: Simplify right side
    30,154.10x = 570,668,178.69
  5. Step 5: Solve for x
    x = 570,668,178.69/30,154.10
  6. Step 6: Final answer
    x = 18,925.06

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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.