Home / 56,570.40-84,793.64-28,445.58

Finding the Fourth Proportional to 56,570.40, 84,793.64 and 28,445.58

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Solution

The fourth proportional to 56,570.40, 84,793.64 and 28,445.58 is: 42,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.40 : 84,793.64 = 28,445.58 : x
  2. Step 2: Convert to fraction form
    56,570.40/84,793.64 = 28,445.58/x
  3. Step 3: Cross multiply
    56,570.40x = 84,793.64 × 28,445.58
  4. Step 4: Simplify right side
    56,570.40x = 2,412,004,127.88
  5. Step 5: Solve for x
    x = 2,412,004,127.88/56,570.40
  6. Step 6: Final answer
    x = 42,637.21

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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.