Home / 39,438.76-59,019.90-30,617.32

Finding the Fourth Proportional to 39,438.76, 59,019.90 and 30,617.32

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Solution

The fourth proportional to 39,438.76, 59,019.90 and 30,617.32 is: 45,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.76 : 59,019.90 = 30,617.32 : x
  2. Step 2: Convert to fraction form
    39,438.76/59,019.90 = 30,617.32/x
  3. Step 3: Cross multiply
    39,438.76x = 59,019.90 × 30,617.32
  4. Step 4: Simplify right side
    39,438.76x = 1,807,031,164.67
  5. Step 5: Solve for x
    x = 1,807,031,164.67/39,438.76
  6. Step 6: Final answer
    x = 45,818.66

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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.