Home / 29,545.54-40,779.38-18,788.28

Finding the Fourth Proportional to 29,545.54, 40,779.38 and 18,788.28

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Solution

The fourth proportional to 29,545.54, 40,779.38 and 18,788.28 is: 25,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.54 : 40,779.38 = 18,788.28 : x
  2. Step 2: Convert to fraction form
    29,545.54/40,779.38 = 18,788.28/x
  3. Step 3: Cross multiply
    29,545.54x = 40,779.38 × 18,788.28
  4. Step 4: Simplify right side
    29,545.54x = 766,174,409.67
  5. Step 5: Solve for x
    x = 766,174,409.67/29,545.54
  6. Step 6: Final answer
    x = 25,931.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.