Home / 40,579.20-60,868.80-26,582.40

Finding the Fourth Proportional to 40,579.20, 60,868.80 and 26,582.40

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Solution

The fourth proportional to 40,579.20, 60,868.80 and 26,582.40 is: 39,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.20 : 60,868.80 = 26,582.40 : x
  2. Step 2: Convert to fraction form
    40,579.20/60,868.80 = 26,582.40/x
  3. Step 3: Cross multiply
    40,579.20x = 60,868.80 × 26,582.40
  4. Step 4: Simplify right side
    40,579.20x = 1,618,038,789.12
  5. Step 5: Solve for x
    x = 1,618,038,789.12/40,579.20
  6. Step 6: Final answer
    x = 39,873.60

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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.