Home / 32,389.39-44,697.45-18,780.07

Finding the Fourth Proportional to 32,389.39, 44,697.45 and 18,780.07

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Solution

The fourth proportional to 32,389.39, 44,697.45 and 18,780.07 is: 25,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.39 : 44,697.45 = 18,780.07 : x
  2. Step 2: Convert to fraction form
    32,389.39/44,697.45 = 18,780.07/x
  3. Step 3: Cross multiply
    32,389.39x = 44,697.45 × 18,780.07
  4. Step 4: Simplify right side
    32,389.39x = 839,421,282.31
  5. Step 5: Solve for x
    x = 839,421,282.31/32,389.39
  6. Step 6: Final answer
    x = 25,916.55

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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.