Home / 37,870.54-52,261.72-20,875.38

Finding the Fourth Proportional to 37,870.54, 52,261.72 and 20,875.38

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Solution

The fourth proportional to 37,870.54, 52,261.72 and 20,875.38 is: 28,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,870.54 : 52,261.72 = 20,875.38 : x
  2. Step 2: Convert to fraction form
    37,870.54/52,261.72 = 20,875.38/x
  3. Step 3: Cross multiply
    37,870.54x = 52,261.72 × 20,875.38
  4. Step 4: Simplify right side
    37,870.54x = 1,090,983,264.45
  5. Step 5: Solve for x
    x = 1,090,983,264.45/37,870.54
  6. Step 6: Final answer
    x = 28,808.23

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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.