Home / 39,779.04-54,872.16-23,854.20

Finding the Fourth Proportional to 39,779.04, 54,872.16 and 23,854.20

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Solution

The fourth proportional to 39,779.04, 54,872.16 and 23,854.20 is: 32,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.04 : 54,872.16 = 23,854.20 : x
  2. Step 2: Convert to fraction form
    39,779.04/54,872.16 = 23,854.20/x
  3. Step 3: Cross multiply
    39,779.04x = 54,872.16 × 23,854.20
  4. Step 4: Simplify right side
    39,779.04x = 1,308,931,479.07
  5. Step 5: Solve for x
    x = 1,308,931,479.07/39,779.04
  6. Step 6: Final answer
    x = 32,905.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.