Home / 35,810.10-53,715.15-20,258.10

Finding the Fourth Proportional to 35,810.10, 53,715.15 and 20,258.10

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Solution

The fourth proportional to 35,810.10, 53,715.15 and 20,258.10 is: 30,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.10 : 53,715.15 = 20,258.10 : x
  2. Step 2: Convert to fraction form
    35,810.10/53,715.15 = 20,258.10/x
  3. Step 3: Cross multiply
    35,810.10x = 53,715.15 × 20,258.10
  4. Step 4: Simplify right side
    35,810.10x = 1,088,166,880.22
  5. Step 5: Solve for x
    x = 1,088,166,880.22/35,810.10
  6. Step 6: Final answer
    x = 30,387.15

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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.