Home / 30,426.74-45,656.16-21,599.08

Finding the Fourth Proportional to 30,426.74, 45,656.16 and 21,599.08

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Solution

The fourth proportional to 30,426.74, 45,656.16 and 21,599.08 is: 32,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.74 : 45,656.16 = 21,599.08 : x
  2. Step 2: Convert to fraction form
    30,426.74/45,656.16 = 21,599.08/x
  3. Step 3: Cross multiply
    30,426.74x = 45,656.16 × 21,599.08
  4. Step 4: Simplify right side
    30,426.74x = 986,131,052.33
  5. Step 5: Solve for x
    x = 986,131,052.33/30,426.74
  6. Step 6: Final answer
    x = 32,410.01

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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.