Home / 35,730.19-49,309.88-19,814.65

Finding the Fourth Proportional to 35,730.19, 49,309.88 and 19,814.65

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Solution

The fourth proportional to 35,730.19, 49,309.88 and 19,814.65 is: 27,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.19 : 49,309.88 = 19,814.65 : x
  2. Step 2: Convert to fraction form
    35,730.19/49,309.88 = 19,814.65/x
  3. Step 3: Cross multiply
    35,730.19x = 49,309.88 × 19,814.65
  4. Step 4: Simplify right side
    35,730.19x = 977,057,957.94
  5. Step 5: Solve for x
    x = 977,057,957.94/35,730.19
  6. Step 6: Final answer
    x = 27,345.45

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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.