Home / 42,768.32-64,136.08-14,683.14

Finding the Fourth Proportional to 42,768.32, 64,136.08 and 14,683.14

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Solution

The fourth proportional to 42,768.32, 64,136.08 and 14,683.14 is: 22,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.32 : 64,136.08 = 14,683.14 : x
  2. Step 2: Convert to fraction form
    42,768.32/64,136.08 = 14,683.14/x
  3. Step 3: Cross multiply
    42,768.32x = 64,136.08 × 14,683.14
  4. Step 4: Simplify right side
    42,768.32x = 941,719,041.69
  5. Step 5: Solve for x
    x = 941,719,041.69/42,768.32
  6. Step 6: Final answer
    x = 22,019.08

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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.