Home / 30,484.10-45,729.39-9,702.74

Finding the Fourth Proportional to 30,484.10, 45,729.39 and 9,702.74

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Solution

The fourth proportional to 30,484.10, 45,729.39 and 9,702.74 is: 14,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.10 : 45,729.39 = 9,702.74 : x
  2. Step 2: Convert to fraction form
    30,484.10/45,729.39 = 9,702.74/x
  3. Step 3: Cross multiply
    30,484.10x = 45,729.39 × 9,702.74
  4. Step 4: Simplify right side
    30,484.10x = 443,700,381.53
  5. Step 5: Solve for x
    x = 443,700,381.53/30,484.10
  6. Step 6: Final answer
    x = 14,555.14

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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.