Home / 35,359.12-53,018.16-18,727.12

Finding the Fourth Proportional to 35,359.12, 53,018.16 and 18,727.12

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Solution

The fourth proportional to 35,359.12, 53,018.16 and 18,727.12 is: 28,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.12 : 53,018.16 = 18,727.12 : x
  2. Step 2: Convert to fraction form
    35,359.12/53,018.16 = 18,727.12/x
  3. Step 3: Cross multiply
    35,359.12x = 53,018.16 × 18,727.12
  4. Step 4: Simplify right side
    35,359.12x = 992,877,444.50
  5. Step 5: Solve for x
    x = 992,877,444.50/35,359.12
  6. Step 6: Final answer
    x = 28,079.81

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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.