Home / 35,457.91-53,187.42-10,500.49

Finding the Fourth Proportional to 35,457.91, 53,187.42 and 10,500.49

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Solution

The fourth proportional to 35,457.91, 53,187.42 and 10,500.49 is: 15,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.91 : 53,187.42 = 10,500.49 : x
  2. Step 2: Convert to fraction form
    35,457.91/53,187.42 = 10,500.49/x
  3. Step 3: Cross multiply
    35,457.91x = 53,187.42 × 10,500.49
  4. Step 4: Simplify right side
    35,457.91x = 558,494,018.63
  5. Step 5: Solve for x
    x = 558,494,018.63/35,457.91
  6. Step 6: Final answer
    x = 15,750.90

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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.