Home / 55,681.04-83,526.40-14,128

Finding the Fourth Proportional to 55,681.04, 83,526.40 and 14,128

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Solution

The fourth proportional to 55,681.04, 83,526.40 and 14,128 is: 21,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,681.04 : 83,526.40 = 14,128 : x
  2. Step 2: Convert to fraction form
    55,681.04/83,526.40 = 14,128/x
  3. Step 3: Cross multiply
    55,681.04x = 83,526.40 × 14,128
  4. Step 4: Simplify right side
    55,681.04x = 1,180,060,979.20
  5. Step 5: Solve for x
    x = 1,180,060,979.20/55,681.04
  6. Step 6: Final answer
    x = 21,193.23

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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.