Home / 34,528.60-47,637.18-20,374.36

Finding the Fourth Proportional to 34,528.60, 47,637.18 and 20,374.36

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Solution

The fourth proportional to 34,528.60, 47,637.18 and 20,374.36 is: 28,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.60 : 47,637.18 = 20,374.36 : x
  2. Step 2: Convert to fraction form
    34,528.60/47,637.18 = 20,374.36/x
  3. Step 3: Cross multiply
    34,528.60x = 47,637.18 × 20,374.36
  4. Step 4: Simplify right side
    34,528.60x = 970,577,054.70
  5. Step 5: Solve for x
    x = 970,577,054.70/34,528.60
  6. Step 6: Final answer
    x = 28,109.37

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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.