Home / 40,697.81-61,038.47-11,113.17

Finding the Fourth Proportional to 40,697.81, 61,038.47 and 11,113.17

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Solution

The fourth proportional to 40,697.81, 61,038.47 and 11,113.17 is: 16,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697.81 : 61,038.47 = 11,113.17 : x
  2. Step 2: Convert to fraction form
    40,697.81/61,038.47 = 11,113.17/x
  3. Step 3: Cross multiply
    40,697.81x = 61,038.47 × 11,113.17
  4. Step 4: Simplify right side
    40,697.81x = 678,330,838.08
  5. Step 5: Solve for x
    x = 678,330,838.08/40,697.81
  6. Step 6: Final answer
    x = 16,667.50

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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.