Home / 47,215.11-70,804.74-15,615.72

Finding the Fourth Proportional to 47,215.11, 70,804.74 and 15,615.72

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Solution

The fourth proportional to 47,215.11, 70,804.74 and 15,615.72 is: 23,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.11 : 70,804.74 = 15,615.72 : x
  2. Step 2: Convert to fraction form
    47,215.11/70,804.74 = 15,615.72/x
  3. Step 3: Cross multiply
    47,215.11x = 70,804.74 × 15,615.72
  4. Step 4: Simplify right side
    47,215.11x = 1,105,666,994.51
  5. Step 5: Solve for x
    x = 1,105,666,994.51/47,215.11
  6. Step 6: Final answer
    x = 23,417.65

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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.