Home / 35,347.02-48,778.93-19,431.13

Finding the Fourth Proportional to 35,347.02, 48,778.93 and 19,431.13

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Solution

The fourth proportional to 35,347.02, 48,778.93 and 19,431.13 is: 26,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.02 : 48,778.93 = 19,431.13 : x
  2. Step 2: Convert to fraction form
    35,347.02/48,778.93 = 19,431.13/x
  3. Step 3: Cross multiply
    35,347.02x = 48,778.93 × 19,431.13
  4. Step 4: Simplify right side
    35,347.02x = 947,829,730.09
  5. Step 5: Solve for x
    x = 947,829,730.09/35,347.02
  6. Step 6: Final answer
    x = 26,814.98

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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.