Home / 35,690.60-53,545.64-12,320.48

Finding the Fourth Proportional to 35,690.60, 53,545.64 and 12,320.48

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Solution

The fourth proportional to 35,690.60, 53,545.64 and 12,320.48 is: 18,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.60 : 53,545.64 = 12,320.48 : x
  2. Step 2: Convert to fraction form
    35,690.60/53,545.64 = 12,320.48/x
  3. Step 3: Cross multiply
    35,690.60x = 53,545.64 × 12,320.48
  4. Step 4: Simplify right side
    35,690.60x = 659,707,986.71
  5. Step 5: Solve for x
    x = 659,707,986.71/35,690.60
  6. Step 6: Final answer
    x = 18,484.08

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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.