Home / 52,858-72,946.25-28,985.59

Finding the Fourth Proportional to 52,858, 72,946.25 and 28,985.59

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Solution

The fourth proportional to 52,858, 72,946.25 and 28,985.59 is: 40,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858 : 72,946.25 = 28,985.59 : x
  2. Step 2: Convert to fraction form
    52,858/72,946.25 = 28,985.59/x
  3. Step 3: Cross multiply
    52,858x = 72,946.25 × 28,985.59
  4. Step 4: Simplify right side
    52,858x = 2,114,390,094.54
  5. Step 5: Solve for x
    x = 2,114,390,094.54/52,858
  6. Step 6: Final answer
    x = 40,001.33

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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.