Home / 30,066.64-45,061.52-14,271.60

Finding the Fourth Proportional to 30,066.64, 45,061.52 and 14,271.60

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Solution

The fourth proportional to 30,066.64, 45,061.52 and 14,271.60 is: 21,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.64 : 45,061.52 = 14,271.60 : x
  2. Step 2: Convert to fraction form
    30,066.64/45,061.52 = 14,271.60/x
  3. Step 3: Cross multiply
    30,066.64x = 45,061.52 × 14,271.60
  4. Step 4: Simplify right side
    30,066.64x = 643,099,988.83
  5. Step 5: Solve for x
    x = 643,099,988.83/30,066.64
  6. Step 6: Final answer
    x = 21,389.15

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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.