Home / 37,685.04-52,007.40-20,918.40

Finding the Fourth Proportional to 37,685.04, 52,007.40 and 20,918.40

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Solution

The fourth proportional to 37,685.04, 52,007.40 and 20,918.40 is: 28,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.04 : 52,007.40 = 20,918.40 : x
  2. Step 2: Convert to fraction form
    37,685.04/52,007.40 = 20,918.40/x
  3. Step 3: Cross multiply
    37,685.04x = 52,007.40 × 20,918.40
  4. Step 4: Simplify right side
    37,685.04x = 1,087,911,596.16
  5. Step 5: Solve for x
    x = 1,087,911,596.16/37,685.04
  6. Step 6: Final answer
    x = 28,868.53

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1.5x scale

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.