Home / 47,309.22-70,980.09-21,032.34

Finding the Fourth Proportional to 47,309.22, 70,980.09 and 21,032.34

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Solution

The fourth proportional to 47,309.22, 70,980.09 and 21,032.34 is: 31,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.22 : 70,980.09 = 21,032.34 : x
  2. Step 2: Convert to fraction form
    47,309.22/70,980.09 = 21,032.34/x
  3. Step 3: Cross multiply
    47,309.22x = 70,980.09 × 21,032.34
  4. Step 4: Simplify right side
    47,309.22x = 1,492,877,386.11
  5. Step 5: Solve for x
    x = 1,492,877,386.11/47,309.22
  6. Step 6: Final answer
    x = 31,555.74

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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.