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Finding the Fourth Proportional to 32,913.60, 45,420.60 and 17,806.32

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Solution

The fourth proportional to 32,913.60, 45,420.60 and 17,806.32 is: 24,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.60 : 45,420.60 = 17,806.32 : x
  2. Step 2: Convert to fraction form
    32,913.60/45,420.60 = 17,806.32/x
  3. Step 3: Cross multiply
    32,913.60x = 45,420.60 × 17,806.32
  4. Step 4: Simplify right side
    32,913.60x = 808,773,738.19
  5. Step 5: Solve for x
    x = 808,773,738.19/32,913.60
  6. Step 6: Final answer
    x = 24,572.63

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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.