Home / 39,779.02-59,669.34-31,844.71

Finding the Fourth Proportional to 39,779.02, 59,669.34 and 31,844.71

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Solution

The fourth proportional to 39,779.02, 59,669.34 and 31,844.71 is: 47,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.02 : 59,669.34 = 31,844.71 : x
  2. Step 2: Convert to fraction form
    39,779.02/59,669.34 = 31,844.71/x
  3. Step 3: Cross multiply
    39,779.02x = 59,669.34 × 31,844.71
  4. Step 4: Simplify right side
    39,779.02x = 1,900,152,370.62
  5. Step 5: Solve for x
    x = 1,900,152,370.62/39,779.02
  6. Step 6: Final answer
    x = 47,767.71

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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.