Home / 30,437.47-45,656.21-19,973.69

Finding the Fourth Proportional to 30,437.47, 45,656.21 and 19,973.69

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Solution

The fourth proportional to 30,437.47, 45,656.21 and 19,973.69 is: 29,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.47 : 45,656.21 = 19,973.69 : x
  2. Step 2: Convert to fraction form
    30,437.47/45,656.21 = 19,973.69/x
  3. Step 3: Cross multiply
    30,437.47x = 45,656.21 × 19,973.69
  4. Step 4: Simplify right side
    30,437.47x = 911,922,865.63
  5. Step 5: Solve for x
    x = 911,922,865.63/30,437.47
  6. Step 6: Final answer
    x = 29,960.53

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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.