Home / 45,675.04-63,013.80-28,672.32

Finding the Fourth Proportional to 45,675.04, 63,013.80 and 28,672.32

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Solution

The fourth proportional to 45,675.04, 63,013.80 and 28,672.32 is: 39,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.04 : 63,013.80 = 28,672.32 : x
  2. Step 2: Convert to fraction form
    45,675.04/63,013.80 = 28,672.32/x
  3. Step 3: Cross multiply
    45,675.04x = 63,013.80 × 28,672.32
  4. Step 4: Simplify right side
    45,675.04x = 1,806,751,838.02
  5. Step 5: Solve for x
    x = 1,806,751,838.02/45,675.04
  6. Step 6: Final answer
    x = 39,556.66

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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.