Home / 32,780.34-45,225.19-19,344.87

Finding the Fourth Proportional to 32,780.34, 45,225.19 and 19,344.87

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Solution

The fourth proportional to 32,780.34, 45,225.19 and 19,344.87 is: 26,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.34 : 45,225.19 = 19,344.87 : x
  2. Step 2: Convert to fraction form
    32,780.34/45,225.19 = 19,344.87/x
  3. Step 3: Cross multiply
    32,780.34x = 45,225.19 × 19,344.87
  4. Step 4: Simplify right side
    32,780.34x = 874,875,421.28
  5. Step 5: Solve for x
    x = 874,875,421.28/32,780.34
  6. Step 6: Final answer
    x = 26,689.03

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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.