Home / 39,389.45-59,034.90-19,673.51

Finding the Fourth Proportional to 39,389.45, 59,034.90 and 19,673.51

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Solution

The fourth proportional to 39,389.45, 59,034.90 and 19,673.51 is: 29,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.45 : 59,034.90 = 19,673.51 : x
  2. Step 2: Convert to fraction form
    39,389.45/59,034.90 = 19,673.51/x
  3. Step 3: Cross multiply
    39,389.45x = 59,034.90 × 19,673.51
  4. Step 4: Simplify right side
    39,389.45x = 1,161,423,695.50
  5. Step 5: Solve for x
    x = 1,161,423,695.50/39,389.45
  6. Step 6: Final answer
    x = 29,485.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.