Home / 42,967.70-64,436.14-14,880.21

Finding the Fourth Proportional to 42,967.70, 64,436.14 and 14,880.21

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Solution

The fourth proportional to 42,967.70, 64,436.14 and 14,880.21 is: 22,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967.70 : 64,436.14 = 14,880.21 : x
  2. Step 2: Convert to fraction form
    42,967.70/64,436.14 = 14,880.21/x
  3. Step 3: Cross multiply
    42,967.70x = 64,436.14 × 14,880.21
  4. Step 4: Simplify right side
    42,967.70x = 958,823,294.79
  5. Step 5: Solve for x
    x = 958,823,294.79/42,967.70
  6. Step 6: Final answer
    x = 22,314.98

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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.