Home / 63,030.77-94,557.40-20,913.38

Finding the Fourth Proportional to 63,030.77, 94,557.40 and 20,913.38

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Solution

The fourth proportional to 63,030.77, 94,557.40 and 20,913.38 is: 31,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,030.77 : 94,557.40 = 20,913.38 : x
  2. Step 2: Convert to fraction form
    63,030.77/94,557.40 = 20,913.38/x
  3. Step 3: Cross multiply
    63,030.77x = 94,557.40 × 20,913.38
  4. Step 4: Simplify right side
    63,030.77x = 1,977,514,834.31
  5. Step 5: Solve for x
    x = 1,977,514,834.31/63,030.77
  6. Step 6: Final answer
    x = 31,373.80

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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.