Home / 35,810.34-49,416.50-19,895.70

Finding the Fourth Proportional to 35,810.34, 49,416.50 and 19,895.70

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Solution

The fourth proportional to 35,810.34, 49,416.50 and 19,895.70 is: 27,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.34 : 49,416.50 = 19,895.70 : x
  2. Step 2: Convert to fraction form
    35,810.34/49,416.50 = 19,895.70/x
  3. Step 3: Cross multiply
    35,810.34x = 49,416.50 × 19,895.70
  4. Step 4: Simplify right side
    35,810.34x = 983,175,859.05
  5. Step 5: Solve for x
    x = 983,175,859.05/35,810.34
  6. Step 6: Final answer
    x = 27,455.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.