Home / 56,920.08-78,543.75-33,042.09

Finding the Fourth Proportional to 56,920.08, 78,543.75 and 33,042.09

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Solution

The fourth proportional to 56,920.08, 78,543.75 and 33,042.09 is: 45,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.08 : 78,543.75 = 33,042.09 : x
  2. Step 2: Convert to fraction form
    56,920.08/78,543.75 = 33,042.09/x
  3. Step 3: Cross multiply
    56,920.08x = 78,543.75 × 33,042.09
  4. Step 4: Simplify right side
    56,920.08x = 2,595,249,491.23
  5. Step 5: Solve for x
    x = 2,595,249,491.23/56,920.08
  6. Step 6: Final answer
    x = 45,594.62

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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.