Home / 47,870.46-66,051.23-27,720.09

Finding the Fourth Proportional to 47,870.46, 66,051.23 and 27,720.09

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Solution

The fourth proportional to 47,870.46, 66,051.23 and 27,720.09 is: 38,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.46 : 66,051.23 = 27,720.09 : x
  2. Step 2: Convert to fraction form
    47,870.46/66,051.23 = 27,720.09/x
  3. Step 3: Cross multiply
    47,870.46x = 66,051.23 × 27,720.09
  4. Step 4: Simplify right side
    47,870.46x = 1,830,946,040.21
  5. Step 5: Solve for x
    x = 1,830,946,040.21/47,870.46
  6. Step 6: Final answer
    x = 38,247.93

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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.