Home / 47,312.19-70,968.29-19,247.51

Finding the Fourth Proportional to 47,312.19, 70,968.29 and 19,247.51

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Solution

The fourth proportional to 47,312.19, 70,968.29 and 19,247.51 is: 28,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.19 : 70,968.29 = 19,247.51 : x
  2. Step 2: Convert to fraction form
    47,312.19/70,968.29 = 19,247.51/x
  3. Step 3: Cross multiply
    47,312.19x = 70,968.29 × 19,247.51
  4. Step 4: Simplify right side
    47,312.19x = 1,365,962,871.46
  5. Step 5: Solve for x
    x = 1,365,962,871.46/47,312.19
  6. Step 6: Final answer
    x = 28,871.27

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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.