Home / 42,988.48-64,486.74-14,904.16

Finding the Fourth Proportional to 42,988.48, 64,486.74 and 14,904.16

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Solution

The fourth proportional to 42,988.48, 64,486.74 and 14,904.16 is: 22,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988.48 : 64,486.74 = 14,904.16 : x
  2. Step 2: Convert to fraction form
    42,988.48/64,486.74 = 14,904.16/x
  3. Step 3: Cross multiply
    42,988.48x = 64,486.74 × 14,904.16
  4. Step 4: Simplify right side
    42,988.48x = 961,120,690.84
  5. Step 5: Solve for x
    x = 961,120,690.84/42,988.48
  6. Step 6: Final answer
    x = 22,357.63

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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.