Home / 51,012.88-70,406.13-42,501.51

Finding the Fourth Proportional to 51,012.88, 70,406.13 and 42,501.51

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Solution

The fourth proportional to 51,012.88, 70,406.13 and 42,501.51 is: 58,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.88 : 70,406.13 = 42,501.51 : x
  2. Step 2: Convert to fraction form
    51,012.88/70,406.13 = 42,501.51/x
  3. Step 3: Cross multiply
    51,012.88x = 70,406.13 × 42,501.51
  4. Step 4: Simplify right side
    51,012.88x = 2,992,366,838.26
  5. Step 5: Solve for x
    x = 2,992,366,838.26/51,012.88
  6. Step 6: Final answer
    x = 58,659.05

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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.