Home / 51,323.40-77,064.30-27,995.40

Finding the Fourth Proportional to 51,323.40, 77,064.30 and 27,995.40

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Solution

The fourth proportional to 51,323.40, 77,064.30 and 27,995.40 is: 42,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.40 : 77,064.30 = 27,995.40 : x
  2. Step 2: Convert to fraction form
    51,323.40/77,064.30 = 27,995.40/x
  3. Step 3: Cross multiply
    51,323.40x = 77,064.30 × 27,995.40
  4. Step 4: Simplify right side
    51,323.40x = 2,157,445,904.22
  5. Step 5: Solve for x
    x = 2,157,445,904.22/51,323.40
  6. Step 6: Final answer
    x = 42,036.30

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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.