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Finding the Fourth Proportional to 30,302.91, 45,461.59 and 9,526.41

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Solution

The fourth proportional to 30,302.91, 45,461.59 and 9,526.41 is: 14,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.91 : 45,461.59 = 9,526.41 : x
  2. Step 2: Convert to fraction form
    30,302.91/45,461.59 = 9,526.41/x
  3. Step 3: Cross multiply
    30,302.91x = 45,461.59 × 9,526.41
  4. Step 4: Simplify right side
    30,302.91x = 433,085,721.78
  5. Step 5: Solve for x
    x = 433,085,721.78/30,302.91
  6. Step 6: Final answer
    x = 14,291.89

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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.