Home / 53,297.77-73,543.05-30,637.72

Finding the Fourth Proportional to 53,297.77, 73,543.05 and 30,637.72

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Solution

The fourth proportional to 53,297.77, 73,543.05 and 30,637.72 is: 42,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.77 : 73,543.05 = 30,637.72 : x
  2. Step 2: Convert to fraction form
    53,297.77/73,543.05 = 30,637.72/x
  3. Step 3: Cross multiply
    53,297.77x = 73,543.05 × 30,637.72
  4. Step 4: Simplify right side
    53,297.77x = 2,253,191,373.85
  5. Step 5: Solve for x
    x = 2,253,191,373.85/53,297.77
  6. Step 6: Final answer
    x = 42,275.53

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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.