Home / 52,531.07-72,490.34-28,656.32

Finding the Fourth Proportional to 52,531.07, 72,490.34 and 28,656.32

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Solution

The fourth proportional to 52,531.07, 72,490.34 and 28,656.32 is: 39,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.07 : 72,490.34 = 28,656.32 : x
  2. Step 2: Convert to fraction form
    52,531.07/72,490.34 = 28,656.32/x
  3. Step 3: Cross multiply
    52,531.07x = 72,490.34 × 28,656.32
  4. Step 4: Simplify right side
    52,531.07x = 2,077,306,089.14
  5. Step 5: Solve for x
    x = 2,077,306,089.14/52,531.07
  6. Step 6: Final answer
    x = 39,544.34

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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.