Home / 30,973.59-46,345.57-18,500.40

Finding the Fourth Proportional to 30,973.59, 46,345.57 and 18,500.40

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Solution

The fourth proportional to 30,973.59, 46,345.57 and 18,500.40 is: 27,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.59 : 46,345.57 = 18,500.40 : x
  2. Step 2: Convert to fraction form
    30,973.59/46,345.57 = 18,500.40/x
  3. Step 3: Cross multiply
    30,973.59x = 46,345.57 × 18,500.40
  4. Step 4: Simplify right side
    30,973.59x = 857,411,536.98
  5. Step 5: Solve for x
    x = 857,411,536.98/30,973.59
  6. Step 6: Final answer
    x = 27,682.02

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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.