Home / 42,663.84-64,003.36-14,587.02

Finding the Fourth Proportional to 42,663.84, 64,003.36 and 14,587.02

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Solution

The fourth proportional to 42,663.84, 64,003.36 and 14,587.02 is: 21,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.84 : 64,003.36 = 14,587.02 : x
  2. Step 2: Convert to fraction form
    42,663.84/64,003.36 = 14,587.02/x
  3. Step 3: Cross multiply
    42,663.84x = 64,003.36 × 14,587.02
  4. Step 4: Simplify right side
    42,663.84x = 933,618,292.39
  5. Step 5: Solve for x
    x = 933,618,292.39/42,663.84
  6. Step 6: Final answer
    x = 21,883.13

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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.