Home / 54,574.45-75,317.12-30,699.70

Finding the Fourth Proportional to 54,574.45, 75,317.12 and 30,699.70

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Solution

The fourth proportional to 54,574.45, 75,317.12 and 30,699.70 is: 42,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.45 : 75,317.12 = 30,699.70 : x
  2. Step 2: Convert to fraction form
    54,574.45/75,317.12 = 30,699.70/x
  3. Step 3: Cross multiply
    54,574.45x = 75,317.12 × 30,699.70
  4. Step 4: Simplify right side
    54,574.45x = 2,312,212,988.86
  5. Step 5: Solve for x
    x = 2,312,212,988.86/54,574.45
  6. Step 6: Final answer
    x = 42,368.05

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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.