Home / 35,545.30-53,303.55-12,159.70

Finding the Fourth Proportional to 35,545.30, 53,303.55 and 12,159.70

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Solution

The fourth proportional to 35,545.30, 53,303.55 and 12,159.70 is: 18,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.30 : 53,303.55 = 12,159.70 : x
  2. Step 2: Convert to fraction form
    35,545.30/53,303.55 = 12,159.70/x
  3. Step 3: Cross multiply
    35,545.30x = 53,303.55 × 12,159.70
  4. Step 4: Simplify right side
    35,545.30x = 648,155,176.94
  5. Step 5: Solve for x
    x = 648,155,176.94/35,545.30
  6. Step 6: Final answer
    x = 18,234.62

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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.