Home / 55,804.04-83,706.21-13,684.31

Finding the Fourth Proportional to 55,804.04, 83,706.21 and 13,684.31

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Solution

The fourth proportional to 55,804.04, 83,706.21 and 13,684.31 is: 20,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,804.04 : 83,706.21 = 13,684.31 : x
  2. Step 2: Convert to fraction form
    55,804.04/83,706.21 = 13,684.31/x
  3. Step 3: Cross multiply
    55,804.04x = 83,706.21 × 13,684.31
  4. Step 4: Simplify right side
    55,804.04x = 1,145,461,726.57
  5. Step 5: Solve for x
    x = 1,145,461,726.57/55,804.04
  6. Step 6: Final answer
    x = 20,526.50

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1.5x scale

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.