Home / 53,117.93-73,303.69-28,919.60

Finding the Fourth Proportional to 53,117.93, 73,303.69 and 28,919.60

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Solution

The fourth proportional to 53,117.93, 73,303.69 and 28,919.60 is: 39,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.93 : 73,303.69 = 28,919.60 : x
  2. Step 2: Convert to fraction form
    53,117.93/73,303.69 = 28,919.60/x
  3. Step 3: Cross multiply
    53,117.93x = 73,303.69 × 28,919.60
  4. Step 4: Simplify right side
    53,117.93x = 2,119,913,393.32
  5. Step 5: Solve for x
    x = 2,119,913,393.32/53,117.93
  6. Step 6: Final answer
    x = 39,909.56

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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.