Home / 32,420.49-44,725.50-18,985.79

Finding the Fourth Proportional to 32,420.49, 44,725.50 and 18,985.79

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Solution

The fourth proportional to 32,420.49, 44,725.50 and 18,985.79 is: 26,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.49 : 44,725.50 = 18,985.79 : x
  2. Step 2: Convert to fraction form
    32,420.49/44,725.50 = 18,985.79/x
  3. Step 3: Cross multiply
    32,420.49x = 44,725.50 × 18,985.79
  4. Step 4: Simplify right side
    32,420.49x = 849,149,062.46
  5. Step 5: Solve for x
    x = 849,149,062.46/32,420.49
  6. Step 6: Final answer
    x = 26,191.74

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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.