Home / 39,784.32-54,902.40-23,017.60

Finding the Fourth Proportional to 39,784.32, 54,902.40 and 23,017.60

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Solution

The fourth proportional to 39,784.32, 54,902.40 and 23,017.60 is: 31,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.32 : 54,902.40 = 23,017.60 : x
  2. Step 2: Convert to fraction form
    39,784.32/54,902.40 = 23,017.60/x
  3. Step 3: Cross multiply
    39,784.32x = 54,902.40 × 23,017.60
  4. Step 4: Simplify right side
    39,784.32x = 1,263,721,482.24
  5. Step 5: Solve for x
    x = 1,263,721,482.24/39,784.32
  6. Step 6: Final answer
    x = 31,764.31

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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.