Home / 42,970.47-64,416.74-23,225.96

Finding the Fourth Proportional to 42,970.47, 64,416.74 and 23,225.96

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Solution

The fourth proportional to 42,970.47, 64,416.74 and 23,225.96 is: 34,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970.47 : 64,416.74 = 23,225.96 : x
  2. Step 2: Convert to fraction form
    42,970.47/64,416.74 = 23,225.96/x
  3. Step 3: Cross multiply
    42,970.47x = 64,416.74 × 23,225.96
  4. Step 4: Simplify right side
    42,970.47x = 1,496,140,309.14
  5. Step 5: Solve for x
    x = 1,496,140,309.14/42,970.47
  6. Step 6: Final answer
    x = 34,817.87

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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.