Home / 30,457.05-42,035.93-17,717.63

Finding the Fourth Proportional to 30,457.05, 42,035.93 and 17,717.63

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Solution

The fourth proportional to 30,457.05, 42,035.93 and 17,717.63 is: 24,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.05 : 42,035.93 = 17,717.63 : x
  2. Step 2: Convert to fraction form
    30,457.05/42,035.93 = 17,717.63/x
  3. Step 3: Cross multiply
    30,457.05x = 42,035.93 × 17,717.63
  4. Step 4: Simplify right side
    30,457.05x = 744,776,999.46
  5. Step 5: Solve for x
    x = 744,776,999.46/30,457.05
  6. Step 6: Final answer
    x = 24,453.35

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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.