Home / 49,526.40-74,289.76-12,590.40

Finding the Fourth Proportional to 49,526.40, 74,289.76 and 12,590.40

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Solution

The fourth proportional to 49,526.40, 74,289.76 and 12,590.40 is: 18,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,526.40 : 74,289.76 = 12,590.40 : x
  2. Step 2: Convert to fraction form
    49,526.40/74,289.76 = 12,590.40/x
  3. Step 3: Cross multiply
    49,526.40x = 74,289.76 × 12,590.40
  4. Step 4: Simplify right side
    49,526.40x = 935,337,794.30
  5. Step 5: Solve for x
    x = 935,337,794.30/49,526.40
  6. Step 6: Final answer
    x = 18,885.64

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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.