Home / 35,345.95-48,778.08-19,430.40

Finding the Fourth Proportional to 35,345.95, 48,778.08 and 19,430.40

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Solution

The fourth proportional to 35,345.95, 48,778.08 and 19,430.40 is: 26,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.95 : 48,778.08 = 19,430.40 : x
  2. Step 2: Convert to fraction form
    35,345.95/48,778.08 = 19,430.40/x
  3. Step 3: Cross multiply
    35,345.95x = 48,778.08 × 19,430.40
  4. Step 4: Simplify right side
    35,345.95x = 947,777,605.63
  5. Step 5: Solve for x
    x = 947,777,605.63/35,345.95
  6. Step 6: Final answer
    x = 26,814.32

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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.