Home / 40,315.85-60,465.87-38,315.51

Finding the Fourth Proportional to 40,315.85, 60,465.87 and 38,315.51

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Solution

The fourth proportional to 40,315.85, 60,465.87 and 38,315.51 is: 57,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.85 : 60,465.87 = 38,315.51 : x
  2. Step 2: Convert to fraction form
    40,315.85/60,465.87 = 38,315.51/x
  3. Step 3: Cross multiply
    40,315.85x = 60,465.87 × 38,315.51
  4. Step 4: Simplify right side
    40,315.85x = 2,316,780,344.31
  5. Step 5: Solve for x
    x = 2,316,780,344.31/40,315.85
  6. Step 6: Final answer
    x = 57,465.75

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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.