Home / 39,950.40-59,832.16-31,574.20

Finding the Fourth Proportional to 39,950.40, 59,832.16 and 31,574.20

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Solution

The fourth proportional to 39,950.40, 59,832.16 and 31,574.20 is: 47,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.40 : 59,832.16 = 31,574.20 : x
  2. Step 2: Convert to fraction form
    39,950.40/59,832.16 = 31,574.20/x
  3. Step 3: Cross multiply
    39,950.40x = 59,832.16 × 31,574.20
  4. Step 4: Simplify right side
    39,950.40x = 1,889,152,586.27
  5. Step 5: Solve for x
    x = 1,889,152,586.27/39,950.40
  6. Step 6: Final answer
    x = 47,287.45

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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.