Home / 30,931.97-46,397.90-7,558.40

Finding the Fourth Proportional to 30,931.97, 46,397.90 and 7,558.40

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Solution

The fourth proportional to 30,931.97, 46,397.90 and 7,558.40 is: 11,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.97 : 46,397.90 = 7,558.40 : x
  2. Step 2: Convert to fraction form
    30,931.97/46,397.90 = 7,558.40/x
  3. Step 3: Cross multiply
    30,931.97x = 46,397.90 × 7,558.40
  4. Step 4: Simplify right side
    30,931.97x = 350,693,617.58
  5. Step 5: Solve for x
    x = 350,693,617.58/30,931.97
  6. Step 6: Final answer
    x = 11,337.58

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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.