Home / 35,547.50-53,305.70-18,903.50

Finding the Fourth Proportional to 35,547.50, 53,305.70 and 18,903.50

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Solution

The fourth proportional to 35,547.50, 53,305.70 and 18,903.50 is: 28,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.50 : 53,305.70 = 18,903.50 : x
  2. Step 2: Convert to fraction form
    35,547.50/53,305.70 = 18,903.50/x
  3. Step 3: Cross multiply
    35,547.50x = 53,305.70 × 18,903.50
  4. Step 4: Simplify right side
    35,547.50x = 1,007,664,299.95
  5. Step 5: Solve for x
    x = 1,007,664,299.95/35,547.50
  6. Step 6: Final answer
    x = 28,346.98

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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.