Home / 40,370.48-60,555.88-10,788.40

Finding the Fourth Proportional to 40,370.48, 60,555.88 and 10,788.40

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Solution

The fourth proportional to 40,370.48, 60,555.88 and 10,788.40 is: 16,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.48 : 60,555.88 = 10,788.40 : x
  2. Step 2: Convert to fraction form
    40,370.48/60,555.88 = 10,788.40/x
  3. Step 3: Cross multiply
    40,370.48x = 60,555.88 × 10,788.40
  4. Step 4: Simplify right side
    40,370.48x = 653,301,055.79
  5. Step 5: Solve for x
    x = 653,301,055.79/40,370.48
  6. Step 6: Final answer
    x = 16,182.64

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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.