Home / 35,681.90-53,506.08-20,693.27

Finding the Fourth Proportional to 35,681.90, 53,506.08 and 20,693.27

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Solution

The fourth proportional to 35,681.90, 53,506.08 and 20,693.27 is: 31,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.90 : 53,506.08 = 20,693.27 : x
  2. Step 2: Convert to fraction form
    35,681.90/53,506.08 = 20,693.27/x
  3. Step 3: Cross multiply
    35,681.90x = 53,506.08 × 20,693.27
  4. Step 4: Simplify right side
    35,681.90x = 1,107,216,079.46
  5. Step 5: Solve for x
    x = 1,107,216,079.46/35,681.90
  6. Step 6: Final answer
    x = 31,030.19

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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.