Home / 47,012.51-70,518.93-11,952.17

Finding the Fourth Proportional to 47,012.51, 70,518.93 and 11,952.17

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Solution

The fourth proportional to 47,012.51, 70,518.93 and 11,952.17 is: 17,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.51 : 70,518.93 = 11,952.17 : x
  2. Step 2: Convert to fraction form
    47,012.51/70,518.93 = 11,952.17/x
  3. Step 3: Cross multiply
    47,012.51x = 70,518.93 × 11,952.17
  4. Step 4: Simplify right side
    47,012.51x = 842,854,239.58
  5. Step 5: Solve for x
    x = 842,854,239.58/47,012.51
  6. Step 6: Final answer
    x = 17,928.30

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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.