Home / 56,430.78-84,641.73-28,322.22

Finding the Fourth Proportional to 56,430.78, 84,641.73 and 28,322.22

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Solution

The fourth proportional to 56,430.78, 84,641.73 and 28,322.22 is: 42,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.78 : 84,641.73 = 28,322.22 : x
  2. Step 2: Convert to fraction form
    56,430.78/84,641.73 = 28,322.22/x
  3. Step 3: Cross multiply
    56,430.78x = 84,641.73 × 28,322.22
  4. Step 4: Simplify right side
    56,430.78x = 2,397,241,698.24
  5. Step 5: Solve for x
    x = 2,397,241,698.24/56,430.78
  6. Step 6: Final answer
    x = 42,481.10

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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.