Home / 35,605.64-53,411.30-20,816.08

Finding the Fourth Proportional to 35,605.64, 53,411.30 and 20,816.08

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Solution

The fourth proportional to 35,605.64, 53,411.30 and 20,816.08 is: 31,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.64 : 53,411.30 = 20,816.08 : x
  2. Step 2: Convert to fraction form
    35,605.64/53,411.30 = 20,816.08/x
  3. Step 3: Cross multiply
    35,605.64x = 53,411.30 × 20,816.08
  4. Step 4: Simplify right side
    35,605.64x = 1,111,813,522.57
  5. Step 5: Solve for x
    x = 1,111,813,522.57/35,605.64
  6. Step 6: Final answer
    x = 31,225.77

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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.