Home / 35,332.04-53,012.56-18,687.62

Finding the Fourth Proportional to 35,332.04, 53,012.56 and 18,687.62

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Solution

The fourth proportional to 35,332.04, 53,012.56 and 18,687.62 is: 28,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,332.04 : 53,012.56 = 18,687.62 : x
  2. Step 2: Convert to fraction form
    35,332.04/53,012.56 = 18,687.62/x
  3. Step 3: Cross multiply
    35,332.04x = 53,012.56 × 18,687.62
  4. Step 4: Simplify right side
    35,332.04x = 990,678,576.51
  5. Step 5: Solve for x
    x = 990,678,576.51/35,332.04
  6. Step 6: Final answer
    x = 28,039.10

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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.