Home / 53,587.89-73,948.86-30,930.93

Finding the Fourth Proportional to 53,587.89, 73,948.86 and 30,930.93

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Solution

The fourth proportional to 53,587.89, 73,948.86 and 30,930.93 is: 42,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587.89 : 73,948.86 = 30,930.93 : x
  2. Step 2: Convert to fraction form
    53,587.89/73,948.86 = 30,930.93/x
  3. Step 3: Cross multiply
    53,587.89x = 73,948.86 × 30,930.93
  4. Step 4: Simplify right side
    53,587.89x = 2,287,307,012.24
  5. Step 5: Solve for x
    x = 2,287,307,012.24/53,587.89
  6. Step 6: Final answer
    x = 42,683.28

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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.