Home / 30,159.50-45,263.84-15,372.63

Finding the Fourth Proportional to 30,159.50, 45,263.84 and 15,372.63

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Solution

The fourth proportional to 30,159.50, 45,263.84 and 15,372.63 is: 23,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.50 : 45,263.84 = 15,372.63 : x
  2. Step 2: Convert to fraction form
    30,159.50/45,263.84 = 15,372.63/x
  3. Step 3: Cross multiply
    30,159.50x = 45,263.84 × 15,372.63
  4. Step 4: Simplify right side
    30,159.50x = 695,824,187.84
  5. Step 5: Solve for x
    x = 695,824,187.84/30,159.50
  6. Step 6: Final answer
    x = 23,071.48

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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.