Home / 39,435.18-59,085.96-23,820

Finding the Fourth Proportional to 39,435.18, 59,085.96 and 23,820

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Solution

The fourth proportional to 39,435.18, 59,085.96 and 23,820 is: 35,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.18 : 59,085.96 = 23,820 : x
  2. Step 2: Convert to fraction form
    39,435.18/59,085.96 = 23,820/x
  3. Step 3: Cross multiply
    39,435.18x = 59,085.96 × 23,820
  4. Step 4: Simplify right side
    39,435.18x = 1,407,427,567.20
  5. Step 5: Solve for x
    x = 1,407,427,567.20/39,435.18
  6. Step 6: Final answer
    x = 35,689.64

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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.