Home / 30,106.79-45,165.65-13,466.45

Finding the Fourth Proportional to 30,106.79, 45,165.65 and 13,466.45

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Solution

The fourth proportional to 30,106.79, 45,165.65 and 13,466.45 is: 20,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.79 : 45,165.65 = 13,466.45 : x
  2. Step 2: Convert to fraction form
    30,106.79/45,165.65 = 13,466.45/x
  3. Step 3: Cross multiply
    30,106.79x = 45,165.65 × 13,466.45
  4. Step 4: Simplify right side
    30,106.79x = 608,221,088.77
  5. Step 5: Solve for x
    x = 608,221,088.77/30,106.79
  6. Step 6: Final answer
    x = 20,202.12

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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.